An Austin newlywed who vanished at Bush Intercontinental Airport as he and his bride were about to fly to Italy may have had a bout with temporary amnesia, his wife said. Sean McNulty, 30, was last seen by his wife, Amy, about 7:30 a.m. Tuesday at the Houston airport. They had just ridden a shuttle bus from a long-term parking lot and were walking into the terminal for their flight to Rome, where they had planned to spend their honeymoon, the wife said. Her husband told her he was going to their car to get his wallet. But he...